CA3222501A1 - Enhanced channel sounding protocols for wlan systems - Google Patents

Enhanced channel sounding protocols for wlan systems Download PDF

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Publication number
CA3222501A1
CA3222501A1 CA3222501A CA3222501A CA3222501A1 CA 3222501 A1 CA3222501 A1 CA 3222501A1 CA 3222501 A CA3222501 A CA 3222501A CA 3222501 A CA3222501 A CA 3222501A CA 3222501 A1 CA3222501 A1 CA 3222501A1
Authority
CA
Canada
Prior art keywords
feedback
eht
ndp
beamformer
report
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3222501A
Other languages
English (en)
French (fr)
Inventor
Zinan Lin
Mahmoud SAAD
Hanqing Lou
Rui Yang
Xiaofei Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Patent Holdings Inc
Original Assignee
InterDigital Patent Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by InterDigital Patent Holdings Inc filed Critical InterDigital Patent Holdings Inc
Publication of CA3222501A1 publication Critical patent/CA3222501A1/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0868—Hybrid systems, i.e. switching and combining
    • H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
CA3222501A 2021-06-18 2022-06-20 Enhanced channel sounding protocols for wlan systems Pending CA3222501A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US202163212329P 2021-06-18 2021-06-18
US63/212,329 2021-06-18
US202163252854P 2021-10-06 2021-10-06
US63/252,854 2021-10-06
PCT/US2022/034161 WO2022266531A1 (en) 2021-06-18 2022-06-20 Enhanced channel sounding protocols for wlan systems

Publications (1)

Publication Number Publication Date
CA3222501A1 true CA3222501A1 (en) 2022-12-22

Family

ID=84526767

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3222501A Pending CA3222501A1 (en) 2021-06-18 2022-06-20 Enhanced channel sounding protocols for wlan systems

Country Status (6)

Country Link
US (1) US20240275445A1 (de)
EP (1) EP4356530A4 (de)
JP (1) JP2024527489A (de)
KR (1) KR20240021970A (de)
CA (1) CA3222501A1 (de)
WO (1) WO2022266531A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240267176A1 (en) * 2023-02-07 2024-08-08 Samsung Electronics Co., Ltd. Apparatus and method for sounding in multiple access point network
US20240291524A1 (en) * 2023-02-24 2024-08-29 Mediatek Inc. Trigger-Based Implicit Feedback For Implicit Beamforming In Wireless Communications
WO2025001816A1 (en) * 2023-06-29 2025-01-02 Mediatek Inc. Coordinated multi-access point trigger frame extension schemes
WO2025023458A1 (ko) * 2023-07-21 2025-01-30 삼성전자주식회사 단말의 위치 또는 이동에 기반하는 멀티-ap 협력 방법 및 전자 장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2482582B1 (de) * 2011-01-26 2013-01-16 Alcatel Lucent Basisstation, Verfahren zum Betreiben einer Basisstation, Endgerät und Verfahren zum Betreiben eines Endgerätes
US9936488B2 (en) 2014-11-18 2018-04-03 Newracom, Inc. Sounding procedure including uplink multiple-user transmission in a high efficiency wireless LAN
US10305552B2 (en) * 2015-11-25 2019-05-28 Lg Electronics Inc. Method and device for transmitting feedback frame in wireless LAN system
CN117728872A (zh) * 2018-11-07 2024-03-19 华为技术有限公司 信道状态信息的反馈方法及装置
US11108439B2 (en) * 2019-04-22 2021-08-31 Mediatek Singapore Pte. Ltd. Device and method for multi-access point collaborative sounding in a wireless network
JP7105740B2 (ja) 2019-06-27 2022-07-25 華為技術有限公司 チャネル状態情報を送信する方法、アクセスポイント、およびステーション
WO2021010133A1 (ja) * 2019-07-12 2021-01-21 ソニー株式会社 無線通信装置および方法、並びに、無線通信端末
US11764845B2 (en) * 2019-10-30 2023-09-19 Intel Corporation Channel state information for multiple access points
WO2022148250A1 (en) * 2021-01-06 2022-07-14 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Extremely high throughput access point, extremely high throughput station, and wireless communication method

Also Published As

Publication number Publication date
WO2022266531A1 (en) 2022-12-22
EP4356530A1 (de) 2024-04-24
US20240275445A1 (en) 2024-08-15
EP4356530A4 (de) 2025-04-02
KR20240021970A (ko) 2024-02-19
JP2024527489A (ja) 2024-07-25

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